Home / 123,957.17-171,002.47-89,890.92

Finding the Fourth Proportional to 123,957.17, 171,002.47 and 89,890.92

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Solution

The fourth proportional to 123,957.17, 171,002.47 and 89,890.92 is: 124,007.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,957.17 : 171,002.47 = 89,890.92 : x
  2. Step 2: Convert to fraction form
    123,957.17/171,002.47 = 89,890.92/x
  3. Step 3: Cross multiply
    123,957.17x = 171,002.47 × 89,890.92
  4. Step 4: Simplify right side
    123,957.17x = 15,371,569,350.57
  5. Step 5: Solve for x
    x = 15,371,569,350.57/123,957.17
  6. Step 6: Final answer
    x = 124,007.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.